Am 15.08.2014 um 18:33 schrieb Noel: > On 8/15/2014 10:27 AM, Robert Schetterer wrote: >> Am 15.08.2014 um 16:26 schrieb Kevin A. McGrail: >>> On 8/15/2014 2:30 AM, Robert Schetterer wrote: >>>> Question: Would it make sense to have rules based on dnssec / dane >>>> records exist for a maildomain ? >>>> >>> A) rules have to be used for things that indicate ham or spaminess >>> B) you can only automate something you have done manually >>> >>> So have you looked at this anecdotally and believe there is an >>> indication of ham/spaminess from checking these records? >>> >>> Regards, >>> KAM >> It was just question, i have no preference to this yet, >> >> perhaps thinkable: >> >> tag domains with dane smtp record for hamness, cause its not wide >> provided yet and identify it as advanced tec skill which results in >> rare send spam too >> > > I think detecting dane smtp is a good thing as it gives another > metric to test on. > > I don't think it says anything directly about ham/spam, but may be > useful in macros. > > DKIM/SPF was widely adopted by spammers fairly early after portions > of the tech community talked about whitelisting authenticated mail. > You might remember one early point when a significant portion of the > early-adopters were spammers and legit sites hadn't caught up yet. > > The same will happen with dane as usage expands -- some clever > spam-support tech will develop a tool to easily mass-configure dane > for throwaway domains.
Good point , seems comparable are there any stats how much spam is send with right/exist SPF/DMARC/DKIM (TLS) guess its mostly from hacked accounts at big mail providers, are there any other big sources for such spam mails ? This isn't necessarily a bad thing in > itself, but it means that the mere presence of dane can't determine > ham/spam. > > > -- Noel Jones > Best Regards MfG Robert Schetterer -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein